Date: Sat, 10 Sep 2011 18:55:31 -0400 From: Fbsd8 <fbsd8@a1poweruser.com> To: Johan Hendriks <joh.hendriks@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: returning to 8.2 from 9.0 Message-ID: <4E6BEAE3.10402@a1poweruser.com> In-Reply-To: <4E6BCBBF.7000802@gmail.com> References: <4E6B8EB0.8070303@a1poweruser.com> <4E6BB629.9010205@gmail.com> <4E6BC5B2.9020902@a1poweruser.com> <4E6BCBBF.7000802@gmail.com>
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Johan Hendriks wrote: > Fbsd8 schreef: >> Johan Hendriks wrote: >>> Fbsd8 schreef: >>>> Have test pc. Been running 8.2 just fine. Installed 9.0 from cd and >>>> after playing around tried to reinstall 8.2. Got error about GTP >>>> table while trying to setup the HD. Used 8.0 livecd to >>>> "dd if=/del/zero of=/dev/ad0 count=5 to wipe the start of the HD clean. >>>> Now 8.2 install issues this msg >>>> GEOM: ad0: the primary GPT table is corrupt or invalid. >>>> >>>> How do I fix the HD so 8.2 will install? >>>> _______________________________________________ >>>> freebsd-questions@freebsd.org mailing list >>>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>>> To unsubscribe, send any mail to >>>> "freebsd-questions-unsubscribe@freebsd.org" >>> maybe this little script helps you. >>> http://wiki.freenas.org/faq:0129 >>> >>> It helped me in several situations. >>> >>> If that does not do the job, you could try dban disknuke that will >>> wipe the disk completely >>> >>> regards, >>> Johan Hendriks >>> >>> >> >> >> diskinfo da0 >> >> says Device not configured >> >> I all ready did "dd if=/dev/zero of=/dev/da0 count=2 to wipe the >> front of the disk. > i now see two different things? > dd if=/del/zero of=/dev/ad0 count=5 > dd if=/dev/zero of=/dev/da0 count=2 > > first your disk is adx and the second time it is dax > > Make sure you use the right disk. > There is also a part add the end of the disk that needs to be wiped, not > only the start of the disk. > > regards, > Johan Hendriks > > > Thanks that little script at http://wiki.freenas.org/faq:0129 did the trick.
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